<template>
  <div>
    <el-breadcrumb separator="/" class="rumb">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品分类</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="cards">
      <el-row>
        <el-button type="primary">主要按钮</el-button>
      </el-row>
      <tree-table class="treeTable" :data="catelist" 
      :columns="columns" 
      :selection-type="false" 
      :expand-type="false" show-index 
      index-text="#" border :show-row-hover="false">
      <template slot="isok" slot-scope="scope">
        <i class="el-icon-success" v-if="scope.row.cat_deleted === false" style="color: lightgreen;"></i>
        <i class="el-icon-error" v-else></i>
      </template>
      <template slot="order" slot-scope="scope">
        <el-tag size="mini" v-if="scope.row.cat_level === 0">一级</el-tag>
        <el-tag size="mini" type="success" v-else-if="scope.row.cat_level === 1">二级</el-tag>
        <el-tag size="mini" type="warning" v-else>三级</el-tag>
      </template>
      <template slot="opt" slot-scope="scope">
        <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
        <el-button size="mini" type="danger" icon="el-icon-delete">删除</el-button>
      </template>
    </tree-table>
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="querInfo.pagenum"
      :page-sizes="[3, 5, 10, 15]"
      :page-size="querInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        querInfo: {
          type: 3,
          pagenum: 1,
          pagesize: 5
        },
        catelist: [],
        total: 0,
        columns: [
          {
            label: '分类名称',
            prop: 'cat_name'
          },{
            label: '是否有效',
            type: 'template',
            template: 'isok'
          },
          {
            label: '排序',
            type: 'template',
            template: 'order'
          },
          {
            label: '操作',
            type: 'template',
            template: 'opt'
          }
        ]
      }
    },
    created() {
      this.getCateList()
    },
    methods: {
      async getCateList() {
        const { data: res } = await this.$http.get('categories',{ params: this.querInfo })
        if(res.meta.status !== 200) {
          return this.$message.error('获取失败')
        }
        this.catelist = res.data.result
        this.total = res.data.total
      },
      handleSizeChange(newSize) {
        this.querInfo.pagesize = newSize
        this.getCateList()
      },
      handleCurrentChange(newPage) {
        this.querInfo.pagenum = newPage
        this.getCateList()
      }
    }
  }
</script>

<style scoped lang="less">
  .treeTable {
    margin-top: 15px;
  }

</style>